617673051660 has 48 divisors (see below), whose sum is σ = 1976553766656. Its totient is φ = 141182411712.

The previous prime is 617673051649. The next prime is 617673051673. The reversal of 617673051660 is 66150376716.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 735324642 + ... + 735325481.

It is an arithmetic number, because the mean of its divisors is an integer number (41178203472).

Almost surely, 2^617673051660 is an apocalyptic number.

617673051660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

617673051660 is an abundant number, since it is smaller than the sum of its proper divisors (1358880714996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

617673051660 is a wasteful number, since it uses less digits than its factorization.

617673051660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470650142 (or 1470650140 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 48.

The spelling of 617673051660 in words is "six hundred seventeen billion, six hundred seventy-three million, fifty-one thousand, six hundred sixty".